Home / 3,399.82-4,688.76-2,455.36

Finding the Fourth Proportional to 3,399.82, 4,688.76 and 2,455.36

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Solution

The fourth proportional to 3,399.82, 4,688.76 and 2,455.36 is: 3,386.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,399.82 : 4,688.76 = 2,455.36 : x
  2. Step 2: Convert to fraction form
    3,399.82/4,688.76 = 2,455.36/x
  3. Step 3: Cross multiply
    3,399.82x = 4,688.76 × 2,455.36
  4. Step 4: Simplify right side
    3,399.82x = 11,512,593.75
  5. Step 5: Solve for x
    x = 11,512,593.75/3,399.82
  6. Step 6: Final answer
    x = 3,386.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.